How to delete default payment method on envato

Hello All Friends,

I have a question, i was a payeenor account and i set it default account in graphicriver but unfortunate my payeenor account was blocked me and now i can’t use this payeenor account. my question is now i can;t see any option to delete my old payeenor account and how i add a new payeenor account. PLEASE HELP ME!!!